Distance from O'Fallon to St.-Louis
Driving route: -- ( - )
Driving route: -- ( - )
Extended route information
The shortest distance (air line) between O'Fallon and St.-Louis is 43.87 km.
Driving route: -- ( - )The shortest route between O'Fallon and St.-Louis is according to the route planner. The driving time is approx. . Half of the trip is reached in .
Bearing: 116.98° (ESE)The initial bearing on the course from O'Fallon to St.-Louis is 116.98° and the compass direction is ESE.
Midpoint: 38.72133,-90.47427The geographic midpoint between O'Fallon and St.-Louis is in 21.93 km distance between both points in a bearing of 116.98°. It is located in United States of America, Missouri, St. Louis County, Maryland Heights.
Time difference: 0hO'Fallon and St.-Louis are both in the same time zone America/Chicago.
How is the distance calculated?
To calculate the distance between O'Fallon and St.-Louis, the place names are converted into coordinates (latitude and longitude). The respective geographic centre is used for cities, regions and countries. To calculate the distance the Haversine formula is applied.